﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Library.Utils
{
    class UserNotFoundException : KeyNotFoundException
    {
        public UserNotFoundException() { }

        public UserNotFoundException(string message) : base(message) { }
    }

    class UserAlreadyExistsException : InvalidOperationException
    {
        public UserAlreadyExistsException() { }

        public UserAlreadyExistsException(string message) : base(message) { }
    }

    class DeviceNotFoundException : KeyNotFoundException
    {
        public DeviceNotFoundException() { }

        public DeviceNotFoundException(string message) : base(message) { }
    }

    class DeviceAlreadyExistsException : InvalidOperationException
    {
        public DeviceAlreadyExistsException() { }

        public DeviceAlreadyExistsException(string message) : base(message) { }
    }
}
